Final answer:
An insect bite is considered an abrasion, which is a type of skin lesion that can lead to various infections if pathogens enter through the damaged skin.
Step-by-step explanation:
An insect bite is an example of a lesion called an 'abrasion' which is a type of wound. Such lesions can occur from various insects, such as those from mosquitoes transmitting larvae or from tick bites that can lead to Lyme disease. The skin damage caused by these bites can allow microbes to enter, potentially leading to localized or systemic infections. For example, the Trypanosoma parasite spread by the 'kissing bug' could result in Chagas disease. Similarly, an infection can begin as a simple abrasion but develop into a painful and swollen lesion more typical of an insect bite, as seen in the clinical focus on Cindy's experience.